CN2896491Y - Composite module of three-work-position isolation switch and earthing switch - Google Patents
Composite module of three-work-position isolation switch and earthing switch Download PDFInfo
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- CN2896491Y CN2896491Y CN 200620079035 CN200620079035U CN2896491Y CN 2896491 Y CN2896491 Y CN 2896491Y CN 200620079035 CN200620079035 CN 200620079035 CN 200620079035 U CN200620079035 U CN 200620079035U CN 2896491 Y CN2896491 Y CN 2896491Y
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Abstract
The utility model relates to a high-voltage switch, more particularly to a 126kV triplex isolating switch and grounding switch composite module for GIS, characterized in that the isolating switch and the grounding switch are fixed in the same shell (13); the two-terminal movable contact is fixed between the two fixed contact of the isolating switch and the grounding switch; the movable contact is connected to the operating mechanism. The switch herein has the following features: it is sealed bi-directionally to achieve a good sealing effect; it is short in the axial direction, which simplifies the processing and fabrication of the axial sealing structure; it has a small size, little friction and a long life; it simplifies the connections, reduces the number of parts and improves the through-current capacity; it greatly reduces the layout space and the types and numbers of parts and accessories; it lowers the production input and enhances the reliability of product operation.
Description
Technical field
The utility model relates to a kind of high-voltage switch gear, particularly a kind of 126kVGIS tri-station isolating switch and earthed switch composite module.
Background technology
Former 126kVGIS is loaded on respectively in the different metal housing with isolating switch, earthed switch, and is driven and branch, the closing operation function of realization switch by different operating mechanisms.Its complex structure, volume is big, and floor space is big, the cost height.
Summary of the invention
The purpose of this utility model provides a kind of 126kVGIS tri-station isolating switch and earthed switch composite module, and it is simple in structure, and volume is little, and cost is low.
The technical solution of the utility model is, design a kind of tri-station isolating switch and earthed switch composite module, it is characterized in that: isolating switch and earthed switch are arranged at same housing internal fixation, two ends formula moving contact is fixed between isolating switch and earthed switch two fixed contacts, and moving contact is connected with operating mechanism.
The spring contact 3 of described isolating switch is in static contact isolation switch 1, and static contact isolation switch 1 is fixing by bolt and disc insulator 2; Shaft seal 12 sealing shrouds are on insulating bar 10, and shaft seal 12 is sealed on the housing 13 by bolt, and switch input gear 11 is fixed on the end of insulating bar 10 projecting shafts sealing 12 by flat key; Conductor 5, conductor 5a, conductor 5b fix by bolt and disc insulator 2, tooth bar 7 is bumped into moving contact 8 and puts into conductor 5, conductor 5a, conductor 5b simultaneously with gear 6 by screw, and three gears 6 interconnect by insulating bar 9, the insulating bar 10 of being with key.
The spring contact 3 of described earthed switch is in earthed switch fixed contact 4, and earthed switch fixed contact 4 is by being bolted on the disc insulator 2a, and disc insulator 2a is fixed on the housing 13 by bolt seal; Shaft seal 12 sealing shrouds are on insulating bar 10, and shaft seal 12 is sealed on the housing 13 by bolt, and switch input gear 11 is fixed on an end of insulating bar 10 projecting shafts sealing 12 by flat key; Conductor 5, conductor 5a, conductor 5b fix by bolt and disc insulator 2, by screw moving contact 8 is connected with tooth bar 7, three gears 6 are put into conductor 5, conductor 5a, conductor 5b respectively, gear 6 and tooth bar 7 engagements are fixed and are interconnected by insulating bar 9, the insulating bar 10 of band key between three gears 6.
There are corresponding two disc insulators 2 described housing both sides, are connected with static contact isolation switch 18 and bus-bars conductor 19 respectively on corresponding two disc insulators 2, and static contact isolation switch 18 and bus-bars conductor 19 are docking together; Bus-bars conductor 19 is connected with disc insulator 2 by bolt, and when disc insulator 2 was connected with housing 13, bus-bars conductor 19 dynamically was connected with static contact isolation switch 18, and the center conductor in the coupled disc insulator 2 has constituted bus.
The minimum range that described conductor 5, conductor 5a, conductor 5b and static contact isolation switch are 1 is an isolating switch fracture distance, the minimum range that conductor 5, conductor 5a, conductor 5b and earthed switch fixed contact are 4 is an earthed switch fracture distance, connect static contact isolation switch 1 when moving contact 8 one ends close a floodgate among conductor 5, conductor 5a, the conductor 5b, connect earthed switch fixed contact 4 when the other end closes a floodgate.
Described operating mechanism is by being bolted on the housing 13 output gear of operating mechanism and 11 engagements of the switch of isolating switch/earthed switch input gear.
Characteristics of the present utility model are: at same housing internal fixation isolating switch and earthed switch are arranged, can realize three kinds of operating modes: isolating switch closes+the earthed switch branch; Isolating switch branch+earthed switch branch (intermediate stations); Isolating switch branch+earthed switch closes.Adopt isolating switch and the shared two ends formula contact of earthed switch, and be in transmission connection, realize the mechanical interlocking function of isolating switch and earthed switch with same operating mechanism; Plug-in type contact and slidingtype with the reliable contact of spring contact are electrically connected; Connect and simplify, part is few, through-current capability is strong; On the housing explosion-protection equipment can be installed; Can realize opening switch externally segmentation carry out the major loop resistance measurement and measure switching signal; Axle sealing structure adopts single track X-shaped sealing ring, and it is good to have the two way seal effect, and axial dimension is short, thereby makes characteristics such as the axle sealing structure process and assemble is simple, volume is little, frictional force is little, the life-span is long.Earthed switch fixed contact system draws by the insulator center conductor outside the housing of gas-flow closure, can measure major loop resistance easily and measure switching signal.Its gear, tooth bar are converted into rotatablely moving of insulating bar the rectilinear motion of contact.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is described further.
Fig. 1 is embodiment 1 a perpendicular type three-station isolating/grounding switch composite module internal structure schematic diagram;
Fig. 1 a is an embodiment 1A-A direction cutaway view;
Fig. 2 is embodiment 2 linear pattern three-station isolating/grounding switch composite module internal structure schematic diagrames;
Fig. 2 a is an embodiment 2A-A direction cutaway view;
Fig. 3 is embodiment 3 three-station isolating/grounding switch and bus composite module internal structure schematic diagram;
Fig. 3 a is an embodiment 3A-A direction cutaway view;
Fig. 4 is embodiment 1 partial cavity's conductor connect structure schematic diagram;
Fig. 5 is a known 126kVGIS technology Central Plains conductor connect structure schematic diagram.
Among the figure: 1, static contact isolation switch; 2, disc insulator; 2a, disc insulator; 3, spring contact; 4, earthed switch fixed contact; 5, conductor; 5a, conductor; 5b, conductor; 6, gear; 7, tooth bar; 8, moving contact; 9, insulating bar; 10, insulating bar; 11, switch input gear; 12, shaft seal; 13, housing; 14, disc insulator; 15, radome; 16, conductor; 17, static contact isolation switch; 18, static contact isolation switch; 19, bus-bars conductor.
Embodiment
Embodiment 1
Fig. 1,1a are embodiment 1 perpendicular type three-station isolating/grounding switch composite module internal structure schematic diagrames, and this kind design feature is can be with main circuit current direction half-twist when isolating switch closes a floodgate.
Shown in Fig. 1, Fig. 1 a, isolating switch is made up of static contact isolation switch 1, disc insulator 2, spring contact 3, conductor 5, conductor 5a, conductor 5b, gear 6, tooth bar 7, moving contact 8, insulating bar 9, insulating bar 10, switch input gear 11, shaft seal 12 and housing 13; Earthed switch is made up of earthed switch fixed contact 4, spring contact 3, disc insulator 2, disc insulator 2a, conductor 5, conductor 5a, conductor 5b, gear 6, tooth bar 7, moving contact 8, insulating bar 9, insulating bar 10, switch input gear 11, shaft seal 12 and housing 13; Spring contact 3 is directly put into earthed switch fixed contact 4, static contact isolation switch 1, and static contact isolation switch 1 is fixing by bolt and lower end disc insulator 2; Earthed switch fixed contact 4 is by being bolted on the disc insulator 2a, and disc insulator 2a is fixed on the housing 13 by bolt seal; Insulating bar 10 1 ends are packed into and are sealed in the projecting shaft sealing 12, and shaft seal 12 is sealed on the housing 13 by bolt, and switch input gear 11 is fixed on an end of insulating bar 10 projecting shafts sealing 12 by flat key; Conductor 5, conductor 5a, conductor 5b fix by bolt and disc insulator 2, after tooth bar 7 is bumped into moving contact 8 by screw, put into conductor 5, conductor 5a, conductor 5b simultaneously with gear 6, insulating bar 9, insulating bar 10 with the band key are connected with each other 6 of three gears, have so just finished being in transmission connection between insulated tension pole and moving contact.
As can be seen from the figure disc insulator 2, conductor 5, conductor 5a, conductor 5b, and gear 6, tooth bar 7, moving contact 8, insulating bar 9, insulating bar 10, switch input gear 11, shaft seal 12, housing 13 is isolating switch, earthed switch common part.
Isolating switch and earthed switch are the separating brake position as shown in Figure 3, the minimum range that conductor 5, conductor 5a, conductor 5b and static contact isolation switch are 1 is an isolating switch fracture distance, the minimum range that conductor 5, conductor 5a, conductor 5b and earthed switch fixed contact are 4 is an earthed switch fracture distance, connect static contact isolation switch 1 when moving contact 8 one ends close a floodgate among conductor 5, conductor 5a, the conductor 5b, connect earthed switch fixed contact 4 when the other end closes a floodgate.
When switch input gear 11 drive insulating bars 10 pass to gear 6, as shown in Figure 3, when gear 6 is rotated counterclockwise, drive three utmost point gears 6 simultaneously by insulating bar 10, insulating bar 9, gear 6 drives tooth bar 7 and moving contact 8 is done rectilinear motion simultaneously, reliably contact with spring contact 3 in the insertion static contact isolation switch 1, finish the combined floodgate of isolating switch; When gear 6 is turned clockwise, tooth bar 7 and moving contact 8 are got back to the position that isolating switch shown in Figure 3 and earthed switch are separating brake, when gear 6 continued to turn clockwise, tooth bar 7 inserted in the earthed switch fixed contact 4 with moving contact 8 and reliably contacts with spring contact 3, finishes the combined floodgate of earthed switch; When gear 6 was rotated counterclockwise, tooth bar 7 and moving contact 8 were got back to the position that isolating switch shown in Figure 3 and earthed switch are separating brake.
The public operating mechanism of isolating switch and earthed switch.Operating mechanism makes input gear 11 engagements of the output gear and the isolating switch/earthed switch of operating mechanism when being bolted to housing 13.So, the output torque of mechanism can be imported gear 11, shaft seal 12, insulating bar 10, insulating bar 9, gear 6, tooth bar 7 by switch and reach moving contact 8, thereby drives the breaking-closing operating that moving contact 8 carries out isolating switch and earthed switch.
Static contact isolation switch 1, earthed switch fixed contact 4, conductor 5 are individually fixed on the 2a disc insulator 2,2a disc insulator 2 is connected with housing 13 by bolt, shaft seal 12 is fixed on the housing 13, and gear 6 is individually fixed among conductor 5, conductor 5a, the conductor 5b by the spline on insulating bar 9, the insulating bar 10, be contained in respectively in conductor 5, conductor 5a, the conductor 5b after inlaying upper rack 7 in the moving contact 8, rotate by 7 engagements of gear 6, tooth bar and drive that moving contacts 8 straight lines close, componental movement.Moving contact 8 is whole two ends formula contacts, in inlay tooth bar 7, drive by insulating bar 9 driven gears 6, can move to both sides, realize isolating switch and earthed switch folding.Because moving contact 8 is public, so isolating switch and earthed switch are closed a floodgate simultaneously, has realized the interlock between them from machinery; Every phase moving contact 8 adopts in housing inner bevel direction to be arranged, can make full use of the layout that the move distance of contact and isolating switch, earthed switch fixed contact 4 are satisfied in limited space; Three-phase moving contact 8 and associated components adopt the form that is arranged side by side, and link to each other with seal casinghousing 13 operating mechanism outward by a shaft seal 12, make 11 engagements of mechanism's output gear and Switch main body input gear just can realize three station manipulations of three-phase contact; Housing 13 adopts local square structure to satisfy the insulation distance requirement that the three characteristics of the middle term is arranged side by side and brings, but does not enlarge housing 13 flange diameter, thereby guarantees that overall dimensions does not amplify; Static contact isolation switch 1, conductor 5, conductor 5a, conductor 5b and earthed switch fixed contact 4 inner chambers fluting are inlaid with spring contact 3, by the motion of moving contact 8, realize having electric plug-in type contact and the slidingtype of reliable contact and are electrically connected; As shown in Figure 4, static contact isolation switch 1, conductor 5, conductor 5a, conductor 5b adopt the foundry goods conductor of partial cavity's structure, inner recessed place is used for conductor and is connected with the bolt of disc insulator 2, exocoel has conduction and electric field shielding effect, and kelvin effect according to electricity, this structure helps by big electric current, this cavity structure is different from known 126kVGIS technology Central Plains conductor connect structure, as shown in Figure 5, former conductor connected mode is that center conductor 16 links to each other with disc insulator 14 conductors with radome 15 by bolt.The utlity model has and connect to simplify, characteristics such as part is few, through-current capability is strong; Be provided for installing the circular hole of explosion-protection equipment on the housing; Housing has a part plan and opens three small sircle holes in addition, be used to install the ellipse insulator, it passes through bolt attaching ground switch fixed contact 4 in housing 13, the galvanic circle is drawn outside the housing 13 of gas-flow closure by this insulator center conductor 16, and with removable ground plate ground connection, this structure can realize opening switch externally segmentation carry out the major loop resistance measurement and measure switching signal.Characteristics such as shaft seal 12 structures adopt single track X-shaped sealing ring, and it is good to have the two way seal effect, and axial dimension is short, thereby makes shaft seal 12 structure process and assemble simple, and volume is little, and the little life-span of frictional force is long.
Isolating/grounding switch three station composite modules are compounded in isolating switch, earthed switch in the same housing, operating mechanism of adapted; Two ends formula moving contact is fixed between isolating switch and earthed switch two fixed contacts in same housing, and moving contact is connected with operating mechanism, under same mechanism drives, can realize respectively isolating switch deciliter and earthed switch deciliter.Have and obviously to have dwindled arrangement space, significantly reduce parts kind and number, can reduce the product input cost, improve characteristics such as product operational reliability.
Now above-mentioned two kinds of switches are compounded in the same metal shell and drive branch, the closing operation function that realizes isolating switch and earthed switch by same operating mechanism.
Operation principle:
The contact system of isolating switch or earthed switch all adopts spring contact.Drive by gear one tooth bar transmission that public moving contact is finished isolating switch or earthed switch closes, the branch operating function.
Shown in Fig. 3 a, when disconnecting switch operation is closed a floodgate, operating mechanism output gear and 11 engagements of switch input gear, drive insulating bar 10 rotations counterclockwise, rotate by the spline connection gear on insulating bar 9, the insulating bar 10 6, thereby drive switch movable contact middle rack 7, will rotatablely move becomes rectilinear motion, tooth bar 7 inserts in the static contact isolation switch 1 moving contact 8 rectilinear motions, realizes that isolating switch closes a floodgate.Isolating switch sub-switching operation process is the same, but direction is opposite.
During the operational grounding switch, operating mechanism output gear and 11 engagements of switch input gear, drive insulating bar 10 rotations clockwise, rotate by the spline connection gear on insulating bar 9, the insulating bar 10 6, thereby drive moving contact middle rack 7, to rotatablely move becomes rectilinear motion, and tooth bar 7 inserts in the earthed switch fixed contact 4 moving contact 8 rectilinear motions, is grounded switch and closes a floodgate.Earthed switch sub-switching operation process is the same, but direction is opposite.
Movement characteristic: during moving contact 8 actions, an end is when closing direction moves, and the other end is to disconnecting the direction motion.Thereby realize the mechanical interlocking that isolating switch, earthed switch are asked.
Fig. 2,2a are embodiment 2 linear pattern three-station isolating/grounding switch composite module internal structure schematic diagrames, and this kind design feature is not change the main circuit current direction when isolating switch closes a floodgate.
Annexation and the embodiment 1 of embodiment 2 medi-spring contacts 3, earthed switch fixed contact 4, conductor 5, conductor 5a, conductor 5b, gear 6, tooth bar 7, moving contact 8, insulating bar 9, insulating bar 10, switch input gear 11, shaft seal 12, housing 13 are identical, and installation, operation principle are also identical.Embodiment 2 has all characteristics except that the sense of current among the embodiment 1.
Embodiment 3
Fig. 3,3a are embodiment 3 three-station isolating/grounding switch and bus composite module internal structure schematic diagram, these modular structure characteristics are, enter three-station isolating/grounding switch module, shunting or the interflow that when isolating switch closes a floodgate, can realize main circuit current with bus is compound.
Annexation and the embodiment 1 of embodiment 3 medi-spring contacts 3, earthed switch fixed contact 4, conductor 5, conductor 5a, conductor 5b, gear 6, tooth bar 7, moving contact 8, insulating bar 9, insulating bar 10, switch input gear 11, shaft seal 12, housing 13 are identical, and installation, operation principle are also identical.Embodiment 2 has all characteristics except that the sense of current among the embodiment 1.
Embodiment 3 with the difference of embodiment 1 is, static contact isolation switch 18 is connected with disc insulator 2 by bolt, and static contact isolation switch 18 is compared with the static contact isolation switch 1 among the embodiment 1 and changed shape.Static contact isolation switch 1 is a foundry goods, and its shape mainly satisfies the installation annexation with disc insulator 2, moving contact 8, so its shape is linear pattern (local slightly band bending) substantially, aspect water conservancy diversion, does not have the shunting function; And static contact isolation switch 18 also is a foundry goods, except the function that possesses static contact isolation switch 1, owing to will doublely do bus, be used for connection bus so on the basis of static contact isolation switch 1, will stretch out a branch more, it is shaped as three fork-shapeds, aspect water conservancy diversion, has the shunting function.In housing 13 both sides corresponding two disc insulators 2 are arranged, be connected with static contact isolation switch 18 and bus-bars conductor 19 respectively on corresponding two disc insulators 2, static contact isolation switch 18 and bus-bars conductor 19 are docking together.Bus-bars conductor 19 is connected with disc insulator 2 by bolt, when disc insulator 2 is connected with housing 13, guarantee that bus-bars conductor 19 inserts in the static contact isolation switch 18, make static contact isolation switch 18, fixedly conducting of bus-bars conductor 19, then the center conductor in static contact isolation switch 18, bus-bars conductor 19 and the coupled disc insulator 2 has just been formed bus.Therefore embodiment 3 has the bus function concurrently.
By Fig. 3,3a as can be known, disc insulator 2 has 3, and when static contact isolation switch 18 was inserted in moving contact 8 motions, isolating switch closed a floodgate.At this moment, no matter electric current all can flow out from the center conductor of other 2 disc insulators 2 when the center conductor of which disc insulator 2 flows into; Perhaps no matter electric current all can flow out from the center conductor of its 3rd disc insulator 2 when the center conductor of which two disc insulator 2 flows into.Promptly when isolating switch closed a floodgate, this module can realize the shunting or the interflow of electric current.
Claims (6)
1, tri-station isolating switch and earthed switch composite module is characterized in that: at same housing (13) internal fixation isolating switch and earthed switch are arranged, two ends formula moving contact is fixed between isolating switch and earthed switch two fixed contacts, and moving contact is connected with operating mechanism.
2, tri-station isolating switch according to claim 1 and earthed switch composite module, it is characterized in that: the spring contact in the described isolating switch (3) is in static contact isolation switch (1), and static contact isolation switch (1) is fixing by bolt and disc insulator (2); Shaft seal (12) sealing shroud is on insulating bar (10), and shaft seal (12) is sealed on the housing (13) by bolt, and switch input gear (11) is fixed on the end of insulating bar (10) projecting shaft sealing (12) by flat key; Conductor (5), conductor (5a), conductor (5b) are fixed by bolt and disc insulator (2), tooth bar (7) is bumped into moving contact (8) and puts into conductor (5), conductor (5a), conductor (5b) simultaneously with gear (6) by screw, and three gears (6) interconnect by insulating bar (9), the insulating bar (10) of band key.
3, tri-station isolating switch according to claim 1 and earthed switch composite module, it is characterized in that: the spring contact in the described earthed switch (3) is in earthed switch fixed contact (4), earthed switch fixed contact (4) is by being bolted on the disc insulator (2a), and disc insulator (2a) is fixed on the housing (13) by bolt seal; Shaft seal (12) sealing shroud is on insulating bar (10), and shaft seal (12) is sealed on the housing (13) by bolt, and switch input gear (11) is fixed on an end of insulating bar (10) projecting shaft sealing (12) by flat key; Conductor (5), conductor (5a), conductor (5b) are fixed by bolt and disc insulator (2), by screw moving contact (8) is connected with tooth bar (7), gear (6) is connected with tooth bar (7), three gears (6) are put into conductor (5), conductor (5a), conductor (5b) respectively, gear (6) and tooth bar (7) engagement, insulating bar (9), insulating bar (10) by the band key between three gears (6) are fixed and are interconnected.
4, tri-station isolating switch according to claim 1 and earthed switch composite module, it is characterized in that: there are corresponding two disc insulators (2) described housing (13) both sides, be connected with static contact isolation switch (18) and bus-bars conductor (19) on corresponding two disc insulators (2) respectively, static contact isolation switch (18) and bus-bars conductor (19) are docking together; Bus-bars conductor (19) is connected with disc insulator (2) by bolt, when disc insulator (2) and housing (13) when being connected, bus-bars conductor (19) dynamically is connected with static contact isolation switch (18), and the center conductor in the coupled disc insulator (2) has constituted bus.
5, tri-station isolating switch according to claim 1 and earthed switch composite module, it is characterized in that: the minimum range between described conductor (5), conductor (5a), conductor (5b) and static contact isolation switch (1) is an isolating switch fracture distance, minimum range between conductor (5), conductor (5a), conductor (5b) and earthed switch fixed contact (4) is an earthed switch fracture distance, connect static contact isolation switch (1) when moving contact (8) one ends close a floodgate in conductor (5), conductor (5a), the conductor (5b), connect earthed switch fixed contact (4) when the other end closes a floodgate.
6, tri-station isolating switch according to claim 1 and earthed switch composite module, it is characterized in that: described operating mechanism is by being bolted on the housing (13) output gear of operating mechanism and the switch of isolating switch/earthed switch input gear (11) engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620079035 CN2896491Y (en) | 2006-05-23 | 2006-05-23 | Composite module of three-work-position isolation switch and earthing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620079035 CN2896491Y (en) | 2006-05-23 | 2006-05-23 | Composite module of three-work-position isolation switch and earthing switch |
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| Publication Number | Publication Date |
|---|---|
| CN2896491Y true CN2896491Y (en) | 2007-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620079035 Expired - Lifetime CN2896491Y (en) | 2006-05-23 | 2006-05-23 | Composite module of three-work-position isolation switch and earthing switch |
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| CN (1) | CN2896491Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807483A (en) * | 2010-04-12 | 2010-08-18 | 江苏精科智能电气股份有限公司 | Three-position switch used for gas insulated metal-enclosed switchgear |
| CN102368445A (en) * | 2011-11-11 | 2012-03-07 | 北京北开电气股份有限公司 | Three-working-position isolation switch |
| CN103236370A (en) * | 2013-04-19 | 2013-08-07 | 镇江维依埃电工研究所有限公司 | Four-connecting-rod and three-workstation isolating switch |
| CN103646801A (en) * | 2013-12-02 | 2014-03-19 | 昆明理工大学 | An isolating grounding switch integrating three operation locations |
| CN105489437A (en) * | 2016-01-08 | 2016-04-13 | 中能电气（福清）有限公司 | Pressure-operated load switch for high-voltage gas insulation ring-network cabinet |
| CN109036950A (en) * | 2018-07-10 | 2018-12-18 | 东莞市联洲知识产权运营管理有限公司 | A kind of modified rigid power transmission device |
| CN113035627A (en) * | 2021-03-29 | 2021-06-25 | 山东泰开电力开关有限公司 | Single box-separating type linear three-position switch structure and using method thereof |
-
2006
- 2006-05-23 CN CN 200620079035 patent/CN2896491Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807483A (en) * | 2010-04-12 | 2010-08-18 | 江苏精科智能电气股份有限公司 | Three-position switch used for gas insulated metal-enclosed switchgear |
| CN102368445A (en) * | 2011-11-11 | 2012-03-07 | 北京北开电气股份有限公司 | Three-working-position isolation switch |
| CN102368445B (en) * | 2011-11-11 | 2013-12-25 | 北京北开电气股份有限公司 | Three-working-position isolation switch |
| CN103236370A (en) * | 2013-04-19 | 2013-08-07 | 镇江维依埃电工研究所有限公司 | Four-connecting-rod and three-workstation isolating switch |
| CN103236370B (en) * | 2013-04-19 | 2015-03-04 | 镇江维依埃电工研究所有限公司 | Four-connecting-rod and three-workstation isolating switch |
| CN103646801A (en) * | 2013-12-02 | 2014-03-19 | 昆明理工大学 | An isolating grounding switch integrating three operation locations |
| CN105489437A (en) * | 2016-01-08 | 2016-04-13 | 中能电气（福清）有限公司 | Pressure-operated load switch for high-voltage gas insulation ring-network cabinet |
| CN105489437B (en) * | 2016-01-08 | 2018-11-06 | 福建中能电气有限公司 | A kind of pressure-operated load switch for high pressure gas insulation ring main unit |
| CN109036950A (en) * | 2018-07-10 | 2018-12-18 | 东莞市联洲知识产权运营管理有限公司 | A kind of modified rigid power transmission device |
| CN113035627A (en) * | 2021-03-29 | 2021-06-25 | 山东泰开电力开关有限公司 | Single box-separating type linear three-position switch structure and using method thereof |
| CN113035627B (en) * | 2021-03-29 | 2023-12-29 | 山东泰开电力开关有限公司 | Single-body split-box type linear three-position switch structure and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XI AN XD SWITCHHGEAR ELECTRIC CO.,LTD. Free format text: FORMER NAME: XI AN XIKAI HIGH-VOLTAGE ELECTRIC CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 710077 No. 509, Daqing Road, Xi'an, Shaanxi Patentee after: Xi'an XD Switchgear Electic Co., Ltd. Address before: 710077 Shaanxi Xi'an Daqing Road No. 509 West opened joint stock company technology department Patentee before: Xi'an Xikai High-Voltage Electric Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20070502 |
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| EXPY | Termination of patent right or utility model |